Combined drill and counterbore bits



FIG. 1 is a front elevational view of the combined drill and counterbore bits of the present invention;

FIG. 2 is a back elevational view of the combined drill and counterbore bits of FIG. 1;

FIG. 3 is a right side elevational view of the combined drill and counterbore bits of FIG. 1;

FIG. 4 is a left side elevational view of the combined drill and counterbore bits of FIG. 1;

FIG. 5 is a top plan view of the combined drill and counterbore bits of FIG. 1;

FIG. 6 is a bottom plan view of the combined drill and counterbore bits of FIG. 1; and,

FIG. 7 is a cross sectional view along line 7--7 of FIG. 5 of the combined drill and counterbore bits of FIG. 1. 

The ornamental design for a combined drill and counterbore bits, as shown. 